/Engine/Source/Editor/SubobjectDataInterface/Public/SubobjectDataSubsystem.h
Options when adding a new subobject
struct FAddNewSubobjectParams
UObject*
AssetOverride
Specific asset to use instead of the selected asset in the content browser
uint8:  1
bConformTransformToParent
Whether the newly created component should keep its transform, or conform it to its parent
TObjectPtr<UBl...
BlueprintContext
Pointer to the blueprint context that this subobject is in.
uint8:  1
bSkipMarkBlueprintModified
Optionally skip marking this blueprint as modified (e.g. if we're handling that externally
TObjectPtr<UCl...
NewClass
The class of the new subobject that will be added
FSubobjectDataH...
ParentHandle